Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Pregnancy and Childbirth

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 50%Low 0 · 0%Moderate 0 · 0%High 1 · 50%

Congenital abnormalities · pregnant women

Respiratory syncytial virus vaccine showed no clear difference in congenital abnormalities compared with placebo (high certainty).

1 finding from 1 review

Respiratory syncytial virus vaccination during pregnancy for improving infant outcomes 2024 · Cochrane Headline outcomes only
RR 0.96 [0.88, 1.04]
4 studies · 12304 participants
High

Congenital abnormalities · Pregnant women with hyperemesis gravidarum

It is very uncertain whether corticosteroids changes congenital abnormalities compared with placebo (very low certainty).

1 finding from 1 review

Interventions for treating hyperemesis gravidarum 2016 · Cochrane Headline outcomes only
RR 0.32 [0.01, 7.73]
1 study · 110 participants
Very low